19399211

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1301}}^1$

素因数の和:1382

約数の個数: 16

約数和(自身を含む): 22165248

約数和(自身を除く): 2766037

約数列:

[1, 13, 31, 37, 403, 481, 1147, 1301, 14911, 16913, 40331, 48137, 524303, 625781, 1492247, 19399211]

約数ペア:

[(1, 19399211), (13, 1492247), (31, 625781), (37, 524303), (403, 48137), (481, 40331), (1147, 16913), (1301, 14911)]